Here is an explanation. I think the easiest method is using a cartridge.
GB
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On 7/29/2020 1:19 PM, rogeriolattouf wrote:
DEAR FRIENDS.
I AM FROM BRAZIL AND RIGHT NOW, I'VE BOUGHT A DX7S IN EXCELENTE CONDITION. BUT, UNFORTUNALY SOME ORIGINAL PATCHES ARE MISSING.
HOW COULD I RECOVER THESE ORIGINAL FACTORY PATCHES AND PERFORMANCES?
THANK YOU SO MUCH IN ADVANCE? IF SOMEONE CULD HELP ME.
BEST REGARDS.
ROGER LATTOUF